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haifa-sched.c (sched_analyze): Keep the list of notes organized in pairs.

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* haifa-sched.c (sched_analyze): Keep the list of notes organized
	in pairs.
	(reemit_notes): Likewise.

From-SVN: r29462
This commit is contained in:
Mark Mitchell 1999-09-16 21:00:21 +00:00 committed by Mark Mitchell
parent 96df4529dc
commit 7bd41ea6c8
2 changed files with 20 additions and 9 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
* haifa-sched.c (sched_analyze): Keep the list of notes organized
in pairs.
(reemit_notes): Likewise.
Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
* ggc.h (ggc_root): Move to ggc-common.c.

23
gcc/haifa-sched.c
View File

@ -3939,12 +3939,17 @@ sched_analyze (head, tail)
|| (NOTE_LINE_NUMBER (insn) == NOTE_INSN_SETJMP
&& GET_CODE (PREV_INSN (insn)) != CALL_INSN)))
{
rtx region;
if (NOTE_LINE_NUMBER (insn) == NOTE_INSN_EH_REGION_BEG
|| NOTE_LINE_NUMBER (insn) == NOTE_INSN_EH_REGION_END)
loop_notes = alloc_EXPR_LIST (REG_DEAD,
GEN_INT (NOTE_EH_HANDLER (insn)),
loop_notes);
region = GEN_INT (NOTE_EH_HANDLER (insn));
else
region = GEN_INT (0);
loop_notes = alloc_EXPR_LIST (REG_DEAD,
region,
loop_notes);
loop_notes = alloc_EXPR_LIST (REG_DEAD,
GEN_INT (NOTE_LINE_NUMBER (insn)),
loop_notes);
@ -6497,7 +6502,7 @@ move_insn1 (insn, last)
/* Search INSN for fake REG_DEAD note pairs for NOTE_INSN_SETJMP,
NOTE_INSN_{LOOP,EHREGION}_{BEG,END}; and convert them back into
NOTEs. The REG_DEAD note following first one is contains the saved
value for NOTE_EH_HANDLER which is useful for
value for NOTE_BLOCK_NUMBER which is useful for
NOTE_INSN_EH_REGION_{BEG,END} NOTEs. LAST is the last instruction
output by the instruction scheduler. Return the new value of LAST. */
@ -6519,6 +6524,8 @@ reemit_notes (insn, last)
{
retval = emit_note_after (NOTE_INSN_SETJMP, insn);
CONST_CALL_P (retval) = CONST_CALL_P (note);
remove_note (insn, note);
note = XEXP (note, 1);
}
else if (note_type == NOTE_INSN_RANGE_START
|| note_type == NOTE_INSN_RANGE_END)
@ -6531,13 +6538,11 @@ reemit_notes (insn, last)
else
{
last = emit_note_before (note_type, last);
remove_note (insn, note);
note = XEXP (note, 1);
if (note_type == NOTE_INSN_EH_REGION_BEG
|| note_type == NOTE_INSN_EH_REGION_END)
{
remove_note (insn, note);
note = XEXP (note, 1);
NOTE_EH_HANDLER (last) = INTVAL (XEXP (note, 0));
}
NOTE_EH_HANDLER (last) = INTVAL (XEXP (note, 0));
}
remove_note (insn, note);
}